003_Input_Msg.asm

;Declaring Datas and Constants
section .data
	;Constants
	LF equ 10			;New Line
	numero_max equ 10		;Buffer Size

	;Program Strings
	string_1 db LF, "Input:  "	;String Output
	length_1 equ $ - string_1	;String Length

	string_2 db LF, "Output: "	;String Output
	length_2 equ $ - string_2	;String Length

		;Declaring Variables
section .bss	
	;Program Input
	numero resb numero_max		;Buffer Length
	num resd 1			;Buffer Variable

		;Declaring Code
section .text

global _start				;declared entrypoint (ld)
_start:					;entrypoint

		;[04]output
mov edx,length_1			;message length
mov ecx,string_1			;message to write
mov ebx,1				;[out text]file descriptor
mov eax,4				;[sys write] system call number
int 0x80				;call kernel

		;[03]input
mov edx,numero_max			;input length
mov ecx,numero				;input text
mov ebx,0				;[in text]file descriptor
mov eax,3				;[sys read] system call number
int 0x80

mov [num],eax				;move EAX para variavel num

		;[04]output
mov edx,length_2			;message length
mov ecx,string_2			;message to write
mov ebx,1				;[out text]file descriptor
mov eax,4				;[sys write] system call number
int 0x80				;call kernel

		;[04]output
mov edx,numero_max			;message length
mov ecx,numero				;message to write
mov ebx,1				;[out text]file descriptor
mov eax,4				;[sys write] system call number
int 0x80				;call kernel

		;[01]exit
mov ebx,0
mov eax,1
int 0x80